Bioethics.net

In the aftermath of the Pulse nightclub shooting in Orlando, Fla., 53 people were alive but wounded, many in desperate need of blood. Blood banks in the area put out a call for donors. Gay men were ready to volunteer. Rumors even went around that blood centers in Orlando had relaxed a ban on donations from sexually active gay men. But the rumors were false. The ban, imposed by the Food and Drug Administration, remains in place, infuriating some gay rights activists.

Two new studies are offering some of the clearest snapshots yet of how babies build up protective gut bacteria, adding to evidence that antibiotics and birth by C-section may disrupt that development.

There is a “very low risk” of further international spread of Zika virus as result of the Olympic Games to be held in Brazil, the heart of the current outbreak linked to birth defects, World Health Organization (WHO) experts said on Tuesday.

The White House and a group of universities, companies and nonprofits announced new steps Monday to reduce the wait time for an organ transplant, including a $160 million Pentagon program to develop ways to repair and replace cells and tissue.